Why do my joints sometimes pop or crack, and is it a sign of arthritis?

Why do my joints sometimes pop or crack, and is it a sign of arthritis?

Noisy joints? Joints emit a variety of noises that people may describe as popping, cracking, clicking or catching. The technical term for these noises is “crepitus”, from the Latin term “to rattle”. People of all ages can experience crepitus, although it does become...